The Wolf Man has now launched into a song and dance number about the joys of being a werewolf. Allison has a big grin on her face as she follows the performance with rapt attention. For your part though, you're not finding the song nearly as interesting as what's happening to your small, redheaded friend.
From her broad grin, it's not hard to see even with the house lights dimmed that the beginnings of fangs you saw moments ago weren't your imagination. Allison's canines continue to push forth as you watch, arching daggers of ivory. Her lips are darkening, losing the cute pink shade you know she agonized over the lipstick counter to get. Soon they take on a bruised hue and keep right on going to a black that makes her look more than a little dangerous. You hear the Wolf Man up on the stage howl again to punctuate the chorus of his song, and swept up in the spirit you see Allison howl along with him, her ears twitching to points as her pixie cut becomes increasingly unruly and overgrown.
You've already had a crush on Allison for the longest time, and you couldn't bear the thought of telling her you've fantasized about her before during your "me time." Still, this is a whole new side of her and seeing her this... unrestrained has quickly resulted in a deep blush spreading across your pale cheeks. You feel your nipples stiffen, rubbing against your bra, which is quickly answered by a warm quiver in your nethers. The increasing evidence of Allison's seeming lycanthropy has gotten you all sorts of hot and bothered. You grip the armrests of your theater seat just to avoid temptation, biting your lower lip. Still, you can't take your eyes off of her, even when you feel your own canines press against your lip and realize... it's starting to happen to you, too.
Allison's eyes are a livid yellow-green, the whites of them darkened to black as they glint off the stage lights like an animal's. Her hair has grown wilder, longer, pooling about her shoulders before tumbling past. Her features have swollen, pushing her freckled face into a primitive, beetle-browed cast. Her clothes pull tight on her formerly petite frame, her joints cracking as longer limbs writhe with new muscle under her skin. She's hunched forward, her vertebrae visible on her broadening back mere moments before a line of rusty fur snakes down the middle in a crest. She paws at her chest shamelessly with hairy fingers that are pushing forth dark claws, clutching swelling breasts as a luxurious ruff of glossy ginger pelt spills from the neck of her shirt to drape over them.
Seeing your friend turning into a creature of the night has only egged on your own arousal, and with it the pulsing changes she's inspired in you. Your blonde hair has paled even further, coming in stark white as your bangs grow out and frame your increasingly brutish face. You lick your fangs, a manic grin on your black lips as snowy tufts of fur sprout from your cheeks. You can feel your heartbeat in your ears as they poke forth from the wild white mane that sprawls over your lurching, growing frame. Your shirt rips down the back, freeing your lush, dense hackles into the air. Soon, the chair behind you alters to make room for the thrashing thing growing from your spreading rump. Your very own wintery, wolfish tail.
Looking back at Allison, you don't see your small friend anymore. You see nine feet of red furred she-wolf, licking her newly grown muzzle as she picks the last tattered shreds of her clothing off her changed body. You're not far behind, leaning against her happily as your own muzzle grows in.
This time, you both howl along with the chorus.